dt_flash_ctrl.h

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// Copyright lowRISC contributors (OpenTitan project).
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
//
// Device table API auto-generated by `dtgen`
 
#ifndef OPENTITAN_DT_FLASH_CTRL_H_
#define OPENTITAN_DT_FLASH_CTRL_H_
 
/**
 * @file
 * @brief Device Tables (DT) for IP flash_ctrl and top earlgrey.
 *
 * This file contains the type definitions and global functions of the flash_ctrl.
 */
 
#include "dt_api.h"
#include <stdint.h>
 
/**
 * List of instances.
 */
typedef enum dt_flash_ctrl {
  kDtFlashCtrl = 0, /**< flash_ctrl */
  kDtFlashCtrlFirst = 0, /**< \internal First instance */
  kDtFlashCtrlCount = 1, /**< \internal Number of instances */
} dt_flash_ctrl_t;
 
/**
 * List of register blocks.
 *
 * Register blocks are guaranteed to start at 0 and to be consecutively numbered.
 */
typedef enum dt_flash_ctrl_reg_block {
  kDtFlashCtrlRegBlockCore = 0, /**<  */
  kDtFlashCtrlRegBlockPrim = 1, /**<  */
  kDtFlashCtrlRegBlockMem = 2, /**<  */
  kDtFlashCtrlRegBlockCount = 3, /**< \internal Number of register blocks */
} dt_flash_ctrl_reg_block_t;
 
/** Primary register block (associated with the "primary" set of registers that control the IP). */
static const dt_flash_ctrl_reg_block_t kDtFlashCtrlRegBlockPrimary = kDtFlashCtrlRegBlockCore;
 
/**
 * List of IRQs.
 *
 * IRQs are guaranteed to be numbered consecutively from 0.
 */
typedef enum dt_flash_ctrl_irq {
  kDtFlashCtrlIrqProgEmpty = 0, /**< Program FIFO empty */
  kDtFlashCtrlIrqProgLvl = 1, /**< Program FIFO drained to level */
  kDtFlashCtrlIrqRdFull = 2, /**< Read FIFO full */
  kDtFlashCtrlIrqRdLvl = 3, /**< Read FIFO filled to level */
  kDtFlashCtrlIrqOpDone = 4, /**< Operation complete */
  kDtFlashCtrlIrqCorrErr = 5, /**< Correctable error encountered */
  kDtFlashCtrlIrqCount = 6, /**< \internal Number of IRQs */
} dt_flash_ctrl_irq_t;
 
/**
 * List of Alerts.
 *
 * Alerts are guaranteed to be numbered consecutively from 0.
 */
typedef enum dt_flash_ctrl_alert {
  kDtFlashCtrlAlertRecovErr = 0, /**< flash recoverable errors */
  kDtFlashCtrlAlertFatalStdErr = 1, /**< flash standard fatal errors */
  kDtFlashCtrlAlertFatalErr = 2, /**< Flash fatal errors including uncorrectable ECC errors.
 
Note that this alert is not always fatal.
The underlying error bits in the !!FAULT_STATUS register remain set until reset, meaning the alert keeps firing.
This doesn't hold for !!FAULT_STATUS.PHY_RELBL_ERR and !!FAULT_STATUS.PHY_STORAGE_ERR.
To enable firmware dealing with multi-bit ECC and ICV errors during firmware selection and verification, these error bits can be cleared.
After passing this stage, it is recommended that firmware classifies the corresponding alert as fatal on the receiver end, i.e, inside the alert handler. */
  kDtFlashCtrlAlertFatalPrimFlashAlert = 3, /**< Fatal alert triggered inside the flash primitive, including fatal TL-UL bus integrity faults of the test interface. */
  kDtFlashCtrlAlertRecovPrimFlashAlert = 4, /**< Recoverable alert triggered inside the flash primitive. */
  kDtFlashCtrlAlertCount = 5, /**< \internal Number of Alerts */
} dt_flash_ctrl_alert_t;
 
/**
 * List of clock ports.
 *
 * Clock ports are guaranteed to be numbered consecutively from 0.
 */
typedef enum dt_flash_ctrl_clock {
  kDtFlashCtrlClockClk = 0, /**< Clock port clk_i */
  kDtFlashCtrlClockOtp = 1, /**< Clock port clk_otp_i */
  kDtFlashCtrlClockCount = 2, /**< \internal Number of clock ports */
} dt_flash_ctrl_clock_t;
 
/**
 * List of reset ports.
 *
 * Reset ports are guaranteed to be numbered consecutively from 0.
 */
typedef enum dt_flash_ctrl_reset {
  kDtFlashCtrlResetRst = 0, /**< Reset port rst_ni */
  kDtFlashCtrlResetOtp = 1, /**< Reset port rst_otp_ni */
  kDtFlashCtrlResetCount = 2, /**< \internal Number of reset ports */
} dt_flash_ctrl_reset_t;
 
/**
 * List of peripheral I/O.
 *
 * Peripheral I/O are guaranteed to be numbered consecutively from 0.
 */
typedef enum dt_flash_ctrl_periph_io {
  kDtFlashCtrlPeriphIoTck = 0, /**<  */
  kDtFlashCtrlPeriphIoTms = 1, /**<  */
  kDtFlashCtrlPeriphIoTdi = 2, /**<  */
  kDtFlashCtrlPeriphIoTdo = 3, /**<  */
  kDtFlashCtrlPeriphIoCount = 4, /**< \internal Number of peripheral I/O */
} dt_flash_ctrl_periph_io_t;
 
/**
 * List of supported hardware features.
 */
#define OPENTITAN_FLASH_CTRL_HAS_ESCALATION 1
#define OPENTITAN_FLASH_CTRL_HAS_FETCH_CODE 1
#define OPENTITAN_FLASH_CTRL_HAS_INFO_CREATOR_PARTITION 1
#define OPENTITAN_FLASH_CTRL_HAS_INFO_ISOLATED_PARTITION 1
#define OPENTITAN_FLASH_CTRL_HAS_INFO_OWNER_PARTITION 1
#define OPENTITAN_FLASH_CTRL_HAS_INIT_ROOT_SEEDS 1
#define OPENTITAN_FLASH_CTRL_HAS_INIT_SCRAMBLING_KEYS 1
#define OPENTITAN_FLASH_CTRL_HAS_MEM_PROTECTION 1
#define OPENTITAN_FLASH_CTRL_HAS_OP_HOST_READ 1
#define OPENTITAN_FLASH_CTRL_HAS_OP_PROTOCOL_CTRL 1
#define OPENTITAN_FLASH_CTRL_HAS_RMA 1
 
 
 
/**
 * Get the flash_ctrl instance from an instance ID
 *
 * For example, `dt_uart_from_instance_id(kDtInstanceIdUart3) == kDtUart3`.
 *
 * @param inst_id Instance ID.
 * @return A flash_ctrl instance.
 *
 * **Note:** This function only makes sense if the instance ID has device type flash_ctrl,
 * otherwise the returned value is unspecified.
 */
dt_flash_ctrl_t dt_flash_ctrl_from_instance_id(dt_instance_id_t inst_id);
 
/**
 * Get the instance ID of an instance.
 *
 * @param dt Instance of flash_ctrl.
 * @return The instance ID of that instance.
 */
dt_instance_id_t dt_flash_ctrl_instance_id(dt_flash_ctrl_t dt);
 
/**
 * Get the register base address of an instance.
 *
 * @param dt Instance of flash_ctrl.
 * @param reg_block The register block requested.
 * @return The register base address of the requested block.
 */
uint32_t dt_flash_ctrl_reg_block(
    dt_flash_ctrl_t dt,
    dt_flash_ctrl_reg_block_t reg_block);
 
/**
 * Get the primary register base address of an instance.
 *
 * This is just a convenience function, equivalent to
 * `dt_flash_ctrl_reg_block(dt, kDtFlashCtrlRegBlockCore)`
 *
 * @param dt Instance of flash_ctrl.
 * @return The register base address of the primary register block.
 */
static inline uint32_t dt_flash_ctrl_primary_reg_block(
    dt_flash_ctrl_t dt) {
  return dt_flash_ctrl_reg_block(dt, kDtFlashCtrlRegBlockCore);
}
 
/**
 * Get the PLIC ID of a flash_ctrl IRQ for a given instance.
 *
 * If the instance is not connected to the PLIC, this function
 * will return `kDtPlicIrqIdNone`.
 *
 * @param dt Instance of flash_ctrl.
 * @param irq A flash_ctrl IRQ.
 * @return The PLIC ID of the IRQ of this instance.
 */
dt_plic_irq_id_t dt_flash_ctrl_irq_to_plic_id(
    dt_flash_ctrl_t dt,
    dt_flash_ctrl_irq_t irq);
 
/**
 * Convert a global IRQ ID to a local flash_ctrl IRQ type.
 *
 * @param dt Instance of flash_ctrl.
 * @param irq A PLIC ID that belongs to this instance.
 * @return The flash_ctrl IRQ, or `kDtFlashCtrlIrqCount`.
 *
 * **Note:** This function assumes that the PLIC ID belongs to the instance
 * of flash_ctrl passed in parameter. In other words, it must be the case that
 * `dt_flash_ctrl_instance_id(dt) == dt_plic_id_to_instance_id(irq)`. Otherwise, this function
 * will return `kDtFlashCtrlIrqCount`.
 */
dt_flash_ctrl_irq_t dt_flash_ctrl_irq_from_plic_id(
    dt_flash_ctrl_t dt,
    dt_plic_irq_id_t irq);
 
 
/**
 * Get the alert ID of a flash_ctrl alert for a given instance.
 *
 * **Note:** This function only makes sense if the instance is connected to the Alert Handler. For any
 * instances where the instance is not connected, the return value is unspecified.
 *
 * @param dt Instance of flash_ctrl.
 * @param alert A flash_ctrl alert.
 * @return The Alert Handler alert ID of the alert of this instance.
 */
dt_alert_id_t dt_flash_ctrl_alert_to_alert_id(
    dt_flash_ctrl_t dt,
    dt_flash_ctrl_alert_t alert);
 
/**
 * Convert a global alert ID to a local flash_ctrl alert type.
 *
 * @param dt Instance of flash_ctrl.
 * @param alert A global alert ID that belongs to this instance.
 * @return The flash_ctrl alert, or `kDtFlashCtrlAlertCount`.
 *
 * **Note:** This function assumes that the global alert ID belongs to the
 * instance of flash_ctrl passed in parameter. In other words, it must be the case
 * that `dt_flash_ctrl_instance_id(dt) == dt_alert_id_to_instance_id(alert)`. Otherwise,
 * this function will return `kDtFlashCtrlAlertCount`.
 */
dt_flash_ctrl_alert_t dt_flash_ctrl_alert_from_alert_id(
    dt_flash_ctrl_t dt,
    dt_alert_id_t alert);
 
 
/**
 * Get the peripheral I/O description of an instance.
 *
 * @param dt Instance of flash_ctrl.
 * @param sig Requested peripheral I/O.
 * @return Description of the requested peripheral I/O for this instance.
 */
dt_periph_io_t dt_flash_ctrl_periph_io(
    dt_flash_ctrl_t dt,
    dt_flash_ctrl_periph_io_t sig);
 
/**
 * Get the clock signal connected to a clock port of an instance.
 *
 * @param dt Instance of flash_ctrl.
 * @param clk Clock port.
 * @return Clock signal.
 */
dt_clock_t dt_flash_ctrl_clock(
    dt_flash_ctrl_t dt,
    dt_flash_ctrl_clock_t clk);
 
/**
 * Get the reset signal connected to a reset port of an instance.
 *
 * @param dt Instance of flash_ctrl.
 * @param rst Reset port.
 * @return Reset signal.
 */
dt_reset_t dt_flash_ctrl_reset(
    dt_flash_ctrl_t dt,
    dt_flash_ctrl_reset_t rst);
 
 
 
#endif  // OPENTITAN_DT_FLASH_CTRL_H_